2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/206535We investigate a (1+1)-dimensional nonlinear field theoretic model with the field potential $V(ϕ)| = |ϕ|.$ It can be obtained as the universal small amplitude limit in a class of models with potentials which are symmetrically V-shaped at their minima, or as a continuum limit of certain mechanical system with infinite number of degrees of freedom. The model has an interesting scaling symmetry of the 'on shell' type. We find self-similar as well as shock wave solutions of the field equation in that model.Two comments and one reference addedHigh Energy Physics - TheoryOther Condensed MatterPattern Formation and Solitonstext